MTL - Lord of Nine Stars - Chapter 24 Taoyangren

A scientific genius named Thomas Harrier was transmigrated to an imperial prince body after a car accident that took his life. He found out that he is in a world similar to our own with a timeline akin to early twentieth century. The body that he is occupying was the imperial prince of a failing empire who suddenly rose to power after a successful assassination attempt of his father. Unaware that the attack is just the beginning of what is to come. He faces many challenges throughout. Will Thomas Harrier be able to live his second life in peace while running an empire and getting it back to its former glory? Or will he succumb into a conspiracy lurking within the country's borders?

Expect some:

Cold war era techs.

Super battleship with advanced electronics, propulsion, and fire control systems?
Helicopters?
Missiles?
Modern medicines and equipment?
AC-130?
A nuke?
Challenger or Abrams or Leopard?
F-4 Phantom or MIG-21?
Colored TV's.

Everything!!!

PS. Cover not mine, I just found it on google.

Video games are one of the important ways to entertain people in the new era.

However, Take Yuxing from Japan, who traveled to a parallel world, found that the game industry in this world was extremely sluggish, and it seemed that it had never arisen.

So Zhu Yuxing decided to bring the ninth art to the world.

“Mom, Super Mario 3 is out! This is my most wanted Christmas present!”

…

“My Zelda is addicted to picking branches and has no intention to save the princess”

“It was Link who saved the princess!”

“Huh? Is it? Well Zelda”

…

“I am willing to sacrifice my soul just to protect the fire girl!”

…

“More than racing, Forza is YYDS!”

…

“Tifa is my eternal goddess!”

Games never sleep, this is a story that will only focus on developing the game entertainment industry.

(This story is a parallel universe and does not insinuate any related characters. Any similarity is purely coincidental)

- Description from novelbuddy

On her wedding day, she was humiliated; her status as the legitimate wife was instantly changed into that of a concubine.

“wh***! Marrying you is my life’s shame!” These were the hurtful words that came from her childhood sweetheart, now husband.

….

Jiejie, jiejie, thank you for your sacrifice. Jiejie, if you’re kind then go. Meimei will replace you and take good care of your husband, to help you enjoy the blessings that you are unable to enjoy!” these words spat out by her smiling cousin made her whole body feel cold.

….

“You are shameless! There is no need to say anything! From now on, our Shen family will not have you as our daughter! Someone! Throw out this shameless woman!” These were her relatives?

…

Becoming the target of criticisms, and being submerged in a small lake, she realized that all of this was the result of another person’s scheme – but it was already too late!

…

Instead of dying, she went back to the past, back to where both feelings were still alive and were loving towards each other; back to when she was not yet an orphan but the doted on Di daughter of the Shen family.

No matter what, in this life, she would never allow anyone to hurt the people she loved. And those people who harmed her in the previous life, she would make them pay the price!

- Description from Novelupdates

When a cold and crafty girl travels into the body of a foolish, man-crazy, young female aristocrat, what will happen?